aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/m68k/fpu
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1997-05-29 12:06:58 +0000
committerUlrich Drepper <drepper@redhat.com>1997-05-29 12:06:58 +0000
commit76b87c039ba8d20add4f52ba43f3471fd92e210b (patch)
tree08c6a1bc32f699056a97f2683bc859cb0d7f6871 /sysdeps/m68k/fpu
parent06bdbaa0a614c256b34214fde7c395f9e0a6206c (diff)
downloadglibc-76b87c039ba8d20add4f52ba43f3471fd92e210b.tar
glibc-76b87c039ba8d20add4f52ba43f3471fd92e210b.tar.gz
glibc-76b87c039ba8d20add4f52ba43f3471fd92e210b.tar.bz2
glibc-76b87c039ba8d20add4f52ba43f3471fd92e210b.zip
Update.
1997-05-29 12:48 Ulrich Drepper <drepper@cygnus.com> * io/ftw.c: Complete rewrite. Add implementation of `nftw'. * io/ftw.h: Update for new implementation and XPG4.2. * login/Makefile: Update for UTMP daemon implementation. Update resolver code to bind-4.9.6-T1A. * resolv/Banner: Update. * nss/digits_dots.c: Adapt text address matching to T1A. * nss/nss_files/files-hosts.c: Always use inet_pton. * resolv/base64.c (b64_pton): Follow T1A but don't use this code since it would lead to warnings. * resolv/gethnamaddr.c (getanswer): Test host name for maximal length at several places. * resolv/inet_net_pton.c (inet_net_pton_ipv4): Correct typo in comment. * resolv/res_comp.c (dn_expand): Check for overflow. (dn_comp): Likewise. * resolv/res_debug.c (precsize_aton): Better implementation. * resolv/res_init.c (res_init): Make `buf' of size MAXDNAME. * resolv/res_send.c (res_send): Check for overflow in descriptor set. * resolv/nss_dns/dns-host.c (getanswer_r): Test host name for maximal length at several places. 1997-05-29 12:51 Mark Kettenis <kettenis@phys.uva.nl> * login/utmp-private.h (struct utfuncs): Add one more parameter to updwtmp function. Declare all three function jump tables. * login/utmp.h: Declare __utmpname. * login/getutent_r.c: Remove db backend and provide support for utmpd backend. * login/login.c: Use `updwtmp' function insteead of writing the record ourself. * login/logwtmp.c: Move `updwtmp' function to... * login/updwtmp.c: ...here. New file. * login/utmp_db.h: Removed. * login/utmp_file.c: Add updwtmp function to write to file. * login/utmp_daemon.c: New file. Daemon backend. * login/utmpname.c: New file. Implementation of utmpname function. * login/utmpdump.c: New file. Tool to dump utmp-like files. * login/utmpd/connection.c: New file. * login/utmpd/database.c: New file. * login/utmpd/error.c: New file. * login/utmpd/request.c: New file. * login/utmpd/utmpd-private.h: New file. * login/utmpd/utmpd.c: New file. * login/utmpd/utmpd.h: New file. * login/utmpd/xtmp.c: New file. * login/utmpd/xtmp.h: New file. 1997-05-29 12:28 Jim Meyering <meyering@eng.ascend.com> * time/strftime.c: Correct/normalize indentation in cpp directives. 1997-05-28 20:43 Philip Blundell <pjb27@cam.ac.uk> * nis/nis_error.c: Include <string.h> to fix warning. * nis/nis_print.c: Likewise. * nis/nss_nisplus/nisplus-hosts.c: Arg 3 of map_v4v6_hostent is int* not size_t*. 1997-05-28 21:56 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/cmathcalls.h: Correct typo in comment. * inet/netinet/icmp6.h: Include <netinet/in.h> for in6_addr. * sysdeps/unix/sysv/linux/netinet/ip_fw.h: Include <net/if.h> for IFNAMSIZ. * sysdeps/unix/sysv/linux/net/ppp_defs.h: Include <time.h> for time_t. * login/pty.h: Include <ioctl-types.h> for definition of struct winsize. * misc/regexp.h (compile): Correct typo. * argp/argp.h: Put extern before __const in defintion of argp_program_bug_address. 1997-05-29 00:20 Ulrich Drepper <drepper@cygnus.com> * sysdeps/wordsize-32/inttypes.h: Correct names of unsigned fast and least types. Correct names of ?INT_FAST*_{MIN,MAX} macros. * sysdeps/wordsize-64/inttypes.h: Likewise. Reported by Andreas Jaeger <aj@arthur.rhein-neckar.de>. 1997-05-28 22:51 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/Makefile (make-ioctls-CFLAGS): Use generic ttydefaults.h file instead of non-existing version in termios/sys. Reported by Zack Weinberg <zack@rabi.phys.columbia.edu>. * time/strptime.c (strptime_internal, case 'Y'): Restrict year number to four digits and to representable range for 4 byte time_t values. Patch by H.J. Lu <hjl@lucon.org>. 1997-05-28 18:19 Philip Blundell <pjb27@cam.ac.uk> * posix/execl.c: Include <alloca.h> to avoid warning. 1997-05-27 18:19 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c: Implement testing of inlined functions, make output nicer, update comments. * math/test-idouble.c: New file. Frontend for double tests of inlined functions. * math/test-ildoubl.c: New file. Frontend for long double tests of inlined functions. * math/test-ifloat.c: New file. Frontend for float tests of inlined functions. * math/test-longdouble.c: Rename to... * math/test-ldouble.c: ...this. * math/Makefile: Add rules for new test programs, change rules for renaming of longdouble test. 1997-05-20 15:50 H.J. Lu <hjl@gnu.ai.mit.edu> * sunrpc/rpc/svc.h (__dispatch_fn_t): New. (svc_register): Use __dispatch_fn_t in prototype. 1997-05-28 17:02 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/bzero.c (bzero): Fix typo. Patch by Witek Wnuk <spider@pest.waw.ids.edu.pl>. 1997-05-27 12:00 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/generic/vtimes.c: Use ISO C declaration style. * sysdeps/unix/bsd/ualarm.c: Include <unistd.h> for prototype. * sysdeps/generic/memccpy.c: Include <string.h> for prototype. * signal/tst-signal.c (handler): Correct function declaration to avoid warning. * stdlib/testsort.c (compare): Likewise. * string/tester.c: Likewise. 1997-05-27 14:16 Miles Bader <miles@gnu.ai.mit.edu> * argp-help.c (argp_args_usage): Supply correct argp to filter_doc. 1997-05-27 17:51 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * db/hash/extern.h, db/hash/hash.c, db/hash/hash.h, db/hash/hash_log2.c: Rename __log2 to __hash_log2 to avoid clash with libm. 1997-05-27 14:47 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/e_atan2.c: Fix missing negate. Use __m81_test instead of explicit comparisons. 1997-05-26 18:36 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * inet/netinet/icmp6.h: Remove use of <asm/bitops.h> which has no place in a generic header and is no user include file.
Diffstat (limited to 'sysdeps/m68k/fpu')
-rw-r--r--sysdeps/m68k/fpu/e_atan2.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/sysdeps/m68k/fpu/e_atan2.c b/sysdeps/m68k/fpu/e_atan2.c
index c012070a93..59bc990f5b 100644
--- a/sysdeps/m68k/fpu/e_atan2.c
+++ b/sysdeps/m68k/fpu/e_atan2.c
@@ -35,63 +35,67 @@ float_type
s(__ieee754_atan2) (float_type y, float_type x)
{
float_type pi, pi_2, z;
+ unsigned long y_cond, x_cond;
__asm ("fmovecr%.x %#0, %0" : "=f" (pi));
__asm ("fscale%.w %#-1, %0" : "=f" (pi_2) : "0" (pi));
- if (x != x || y != y)
+ y_cond = __m81_test (y);
+ x_cond = __m81_test (x);
+
+ if ((x_cond | y_cond) & __M81_COND_NAN)
z = x + y;
- else if (y == 0)
+ else if (y_cond & __M81_COND_ZERO)
{
- if (m81(__signbit) (x))
- z = m81(__signbit) (y) ? -pi : pi;
+ if (x_cond & __M81_COND_NEG)
+ z = y_cond & __M81_COND_NEG ? -pi : pi;
else
z = y;
}
- else if (m81(__isinf) (x))
+ else if (x_cond & __M81_COND_INF)
{
- if (m81(__isinf) (y))
+ if (y_cond & __M81_COND_INF)
{
float_type pi_4;
__asm ("fscale%.w %#-2, %0" : "=f" (pi_4) : "0" (pi));
- z = x > 0 ? pi_4 : 3 * pi_4;
+ z = x_cond & __M81_COND_NEG ? 3 * pi_4 : pi_4;
}
else
- z = x > 0 ? 0 : pi;
- if (m81(__signbit) (y))
+ z = x_cond & __M81_COND_NEG ? pi : 0;
+ if (y_cond & __M81_COND_NEG)
z = -z;
}
- else if (m81(__isinf) (y))
- z = y > 0 ? pi_2 : -pi_2;
- else if (x > 0)
+ else if (y_cond & __M81_COND_INF)
+ z = y_cond & __M81_COND_NEG ? -pi_2 : pi_2;
+ else if (x_cond & __M81_COND_NEG)
{
- if (y > 0)
+ if (y_cond & __M81_COND_NEG)
{
- if (x > y)
- z = m81(__atan) (y / x);
+ if (-x > -y)
+ z = -pi + m81(__atan) (y / x);
else
- z = pi_2 - m81(__atan) (x / y);
+ z = -pi_2 - m81(__atan) (x / y);
}
else
{
- if (x > -y)
- z = m81(__atan) (y / x);
+ if (-x > y)
+ z = pi + m81(__atan) (y / x);
else
- z = -pi_2 - m81(__atan) (x / y);
+ z = pi_2 - m81(__atan) (x / y);
}
}
else
{
- if (y < 0)
+ if (y_cond & __M81_COND_NEG)
{
- if (-x > y)
- z = -pi + m81(__atan) (y / x);
+ if (x > -y)
+ z = m81(__atan) (y / x);
else
z = -pi_2 - m81(__atan) (x / y);
}
else
{
- if (-x > y)
- z = pi + m81(__atan) (y / x);
+ if (x > y)
+ z = m81(__atan) (y / x);
else
z = pi_2 - m81(__atan) (x / y);
}